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Help me solve this Monoecious plant of Chara shows occurrence of:

Monoecious plant of Chara shows occurrence of:

  • Option 1)

    stamen and carpel of the same plant

  • Option 2)

    upper antheridium and lower oogonium on the same plant

  • Option 3)

    upper oogonium and lower antheridium on the same plant

  • Option 4)

    antheridiophore and archegoniophore on the same plant

 
Answers (1)
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As we discussed in concept

Sexuality in Plants -

Plants having only one sex organ are called heterothallic or dioecious.

Plants bearing both male and female flowers on the same individual, are called monoecious

- wherein

In flowering plants, the unisexual male flower is staminate, i.e., bearing stamens, while the female if pistillate or bearing pistils. Some examples of monoecious plants are cucurbits and coconuts and of dioecious plants are papaya and date palm.

 

 

 


Option 1)

stamen and carpel of the same plant

This option is incorrect.

Option 2)

upper antheridium and lower oogonium on the same plant

This option is incorrect.

Option 3)

upper oogonium and lower antheridium on the same plant

This option is correct.

Option 4)

antheridiophore and archegoniophore on the same plant

This option is incorrect.

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